After a program has been thrown into the world in binary form, it can boomerang back as source code. The Boomerang reverse engineering framework is the first general native executable decompiler available to the public.

Open Sonic is a free open-source game based on the "Sonic the Hedgehog" universe. It introduces a different style of gameplay called cooperative play, in which it's possible to control 3 characters simultaneously. It works on Windows, Linux and MacOSX

A multi-platform software synthesiser emulating (somewhat inaccurately) pre-GM MIDI devices such as the Roland MT-32, CM-32L, CM-64 and LAPC-I. In no way endorsed by or affiliated with Roland Corp. Source hosted at: http://www.github.com/munt/

.NET wrapper for VLC media player. This library allows you to use libvlc from .NET code without dll imports. Simple and easy to use for playing, streaming, transcoding of video streams. Visit the home page for more info.

This is a free OpenSource Microsoft Project file Viewer. It relies on the "Apache POI - Java API To Access Microsoft Format Files" project. A bundle distribution of the application can be accessed from the following url: http://mspviewer.blogspot.com/
If you like this software and are a developer, check out:
https://sourceforge.net/projects/crudzillawebapplicationbuilder/

This project provides binary packages for the Ada front end of GNU compiler collection. The project also provides various Ada libraries like the Ada Web Server and Ada aware Integrated Development Environments (gps and vim).

A graphical interface for solving exterior ballistics problems, based on the excellent GNU exterior ballistics library. This software generates valid 3-DOF solutions to small arms trajectories, including wind and atmospheric corrections.

Linguistic Tree Constructor (LTC) is a tool for drawing lingusitic syntax trees. The user can define their own node categories, and can label each node with labels, also definable by the user. LTC supports "generic", X-Bar and RRG trees.

pyOBD-II (a.k.a. "pyobd2") is a Python library for communicating with OBD-II vehicles. Its goal is to make writing programs for vehicle diagnostics and monitoring vehicle data as easy as possible. Relies on pySerial to communicate with ELM scanners.